Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface showing my new design; and,

FIG. 2 is a front view of the graphical user interface of FIG. 1, in which a mobile terminal in broken lines is provided to illustrate an example environment.

The broken line showing of the mobile terminal, and the text/words, numbers, symbols, and otherwise images in the graphical user interface represents portions of the display screen or portion thereof with graphical user interface which form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 